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lilavasa [31]
3 years ago
12

What 2 numbers add to -7 and the same two numbers multiply to 3

Mathematics
2 answers:
yarga [219]3 years ago
4 0
That's impossible. Are you factoring?
alexandr402 [8]3 years ago
4 0
A) x + y = -7
B) x * y = 3
y = 3/x then put this into equation A
x + 3/x = -7
x^2 + 3 = -7x
x^2 +7x + 3 = 0
x = -6.5414 and x = -0.45862

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A machine drops 74 milliliters of liquid into a beaker every minute. Using an empty beaker, Sarah started the machine and left t
Zina [86]

Answer:

Division, you can divide the total amount of total milliliters buy the number of milliliters dropped every minute. 1850/74= 25. So m= 25. Sarah left the room for 25 minutes

Step-by-step explanation:

pls mark me brainliest

8 0
3 years ago
Pls help me with my homework​
katovenus [111]
9^-2 = 1/81 or 0.0123
When there is a negative in front of the exponent it makes a fraction. It is usually just 1/the number it equals if it were positive.
4 0
2 years ago
Read 2 more answers
Name two customary units of length. Which measurement is more accurate?
prohojiy [21]
Inches
Centimeters
Centimeters are more accurate.
8 0
3 years ago
Find the total surface area of the cylinder shown. Leave the answer in terms of π. A cylinder with radius 4.25 inches and height
olga_2 [115]

Answer:

87.125\pi in^{2} or 87\frac{1}{8}\pi  in^{2}

Step-by-step explanation:

Given Surface Area of Cylinder = 2\pi rh+2\pi r^{2},

and also given r = 4.25 inches and h = 6 inches.

Let's Substitute r and h into the formula to find the total surface area.

Surface Area of Cylinder = 2\pi (4.25)(6)+2\pi (4.25)^{2} \\=51\pi +36.125\pi \\=87.125\pi in^{2}  or 87\frac{1}{8} \pi in^{2}

5 0
2 years ago
Gabriela walked to school on 16 of the 24 school days in March. Which value is equivalent to the fraction of the school days in
olchik [2.2K]

Answer:

\frac{2}{3}

Step-by-step explanation:

A fraction is a quantity that is not a whole number. In maths, a fraction usually has a numerator and a denominator.

The numerator is the number above. While the denominator is the number below

an example of a fraction = \frac{4}{5}

4 is the numerator while 5 is the denominator

In this question, the numerator would be the number of times she walked to school in march(16). While the denominator would be the number of school days in March

\frac{16}{24}

the above fraction is not in its simplest form. To express in its simplest form, divide both numerator and the denominator by 8 . this gives

\frac{2}{3}

5 0
3 years ago
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